Devise中的NoMethodError :: SessionsController #new
未定义的方法`[]’为nil：NilClass
这是痕迹
warden(1.1.1)lib / warden / session_serializer.rb：29：in fetch’
warden(1.1.1)lib / warden / proxy.rb:196:inuser’
warden(1.1.1)lib / warden / proxy.rb：293：in _perform_authentication’
warden(1.1.1)lib / warden / proxy.rb:90:inauthenticate’
warden(1.1.1)lib / warden / proxy.rb：100：在authenticate？’
设计(2.1.0)app / controllers / devise_controller.rb：113：inrequire_no_authentication’
activesupport(3.2.5)lib / active_support / callbacks.rb:407：in _run__3280997315660744487__process_action__4533000551616940901__callbacks’
activesupport(3.2.5)lib / active_support / callbacks.rb：405：in__run_callback’
activesupport(3.2.5)lib / active_support / callbacks.rb：385：in _run_process_action_callbacks’
activesupport(3.2.5)lib / active_support / callbacks.rb：81：inrun_callbacks’
actionpack(3.2.5)lib / abstract_controller / callbacks.rb：17：in process_action’
actionpack(3.2.5)lib / action_controller / Metal / rescue.rb：29：inprocess_action’
actionpack(3.2.5)lib / action_controller / Metal / instrumentation.rb：30：在process_action中的块中
activesupport(3.2.5)lib / active_support / notifications.rb:123：inblock in instrument’
activesupport(3.2.5)lib / active_support / notifications / instrumenter.rb：20：in instrument’
activesupport(3.2.5)lib / active_support / notifications.rb:123:ininstrument’
actionpack(3.2.5)lib / action_controller / Metal / instrumentation.rb：29：in process_action’
actionpack(3.2.5)lib / action_controller / Metal / params_wrapper.rb：206：inprocess_action’
actionpack(3.2.5)lib / abstract_controller / base.rb：121：in process’
actionpack(3.2.5)lib / abstract_controller / rendering.rb：45：inprocess’
actionpack(3.2.5)lib / action_controller / Metal.rb：203：in dispatch’
actionpack(3.2.5)lib / action_controller / Metal / rack_delegation.rb:14:indispatch’
actionpack(3.2.5)lib / action_controller / Metal.rb：246：in block in action’
actionpack(3.2.5)lib / action_dispatch / routing / route_set.rb:73:incall’
actionpack(3.2.5)lib / action_dispatch / routing / route_set.rb：73：in dispatch’
actionpack(3.2.5)lib / action_dispatch / routing / route_set.rb:36:incall’
actionpack(3.2.5)lib / action_dispatch / routing / mapper.rb：42：in call’
旅程(1.0.3)lib / journey / router.rb：68：inblock in call’
旅程(1.0.3)lib / journey / router.rb：56：每个’
旅程(1.0.3)lib / journey / router.rb：56：incall’
actionpack(3.2.5)lib / action_dispatch / routing / route_set.rb：600：in call’
rack-pjax(0.5.9)lib / rack / pjax.rb:12:incall’
mongoid(2.4.10)lib / rack / mongoid / middleware / identity_map.rb:33:in block in call’
mongoid(2.4.10)lib / mongoid.rb：133：inunit_of_work’
mongoid(2.4.10)lib / rack / mongoid / middleware / identity_map.rb：33：in call’
warden(1.1.1)lib / warden / manager.rb:35:inblock in call’
warden(1.1.1)lib / warden / manager.rb:34:in catch’
warden(1.1.1)lib / warden / manager.rb:34:incall’
rack(1.4.1)lib / rack / etag.rb:23:in call’
rack(1.4.1)lib / rack / conditionalget.rb:25:incall’
actionpack(3.2.5)lib / action_dispatch / middleware / head.rb:14:in call’
remotipart(1.0.2)lib / remotipart / middleware.rb:30:incall’
actionpack(3.2.5)lib / action_dispatch / middleware / params_parser.rb：21：in call’
actionpack(3.2.5)lib / action_dispatch / middleware / callbacks.rb：28：inblock in call’
activesupport(3.2.5)lib / active_support / callbacks.rb:405：in _run__2911892753477349565__call__1112249857594481255__callbacks’
activesupport(3.2.5)lib / active_support / callbacks.rb：405：in__run_callback’
activesupport(3.2.5)lib / active_support / callbacks.rb：385：in _run_call_callbacks’
activesupport(3.2.5)lib / active_support / callbacks.rb：81：inrun_callbacks’
actionpack(3.2.5)lib / action_dispatch / middleware / callbacks.rb：27：in call’
actionpack(3.2.5)lib / action_dispatch / middleware / reloader.rb:65:incall’
actionpack(3.2.5)lib / action_dispatch / middleware / remote_ip.rb：31：in call’
actionpack(3.2.5)lib / action_dispatch / middleware / debug_exceptions.rb:16:incall’
actionpack(3.2.5)lib / action_dispatch / middleware / show_exceptions.rb：56：in call’
railties(3.2.5)lib / rails / rack / logger.rb:26:incall_app’
railties(3.2.5)lib / rails / rack / logger.rb:16:in call’
actionpack(3.2.5)lib / action_dispatch / middleware / request_id.rb:22:incall’
rack(1.4.1)lib / rack / runtime.rb：17：in call’
activesupport(3.2.5)lib / active_support / cache / strategy / local_cache.rb:72:incall’
rack(1.4.1)lib / rack / lock.rb:15:in call’
actionpack(3.2.5)lib / action_dispatch / middleware / static.rb:62:incall’
railties(3.2.5)lib / rails / engine.rb：479：in call’
railties(3.2.5)lib / rails / application.rb：220：incall’
rack(1.4.1)lib / rack / content_length.rb:14:in call’
railties(3.2.5)lib / rails / rack / log_tailer.rb:17:incall’
rack(1.4.1)lib / rack / handler / webrick.rb：59：in“service”
我真的不知道造成这种情况的宝石之间发生了什么,欢迎任何建议或方向;)
